Lots of random numbers

[Eugene . Leitl]

Rich Salz writes:
 > I'm putting together a system that might need to generate thousands of RSA
 > keypairs per day, using OpenSSL on a "handful" of Linux machines.  What do
 > folks think of the following: take one machine and dedicate it as an entropy
 > source. After 'n' seconds turn the network card into promiscuous mode, scoop

Why don't you stick a sound card (the noisier, the better) into each
node, and dump /dev/dsp (LSB) input at max amplification into the
randomness pool?